All Episodes

April 7, 2025 27 mins
Light mode? Dark mode? Scott and Wes break down the best ways to implement theme switching in CSS, from prefers-color-scheme to manual overrides. Plus, tips on handling shadows, icons, and the dreaded flash of dark mode! Show Notes 00:00 Welcome to Syntax! 01:05 Brought to you by Sentry.io. 02:06 Light and dark mode, things to consider. 02:31 Light and dark mode from scratch. drop-in.css. 04:41 Calculations vs assigned color. 05:32 color-mix and relative color. 08:15 Foreground and background variables. –tint-or-shade: color-mix(in oklab, var(–fg), transparent 95%); –tint-or-shade-harder: color-mix(in oklab, var(–fg), transparent 90%); 09:13 Setting color scheme. 12:38 light-dark function in CSS. 15:48 Manually setting dark mode. 18:43 The challenges with shared caching. 19:33 Tailwind CSS implementation. Tailwind dark-mode. 19:52 Shoehorning in dark mode. 22:25 Other things to consider. 22:28 Color contrast. Lea Verou contrast-color. 24:39 Logos. 25:22 Icons and images. 26:20 Accessibility. Polypane. Hit us up on Socials! Syntax: X Instagram Tiktok LinkedIn Threads Wes: X Instagram Tiktok LinkedIn Threads Scott: X Instagram Tiktok LinkedIn Threads Randy: X Instagram YouTube Threads
Mark as Played

Advertise With Us

Popular Podcasts

Stuff You Should Know
Dateline NBC

Dateline NBC

Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations. Follow now to get the latest episodes of Dateline NBC completely free, or subscribe to Dateline Premium for ad-free listening and exclusive bonus content: DatelinePremium.com

Business History

Business History

It’s the history of business. How did Hitler’s favorite car become synonymous with hippies? What got Thomas Edison tangled up with the electric chair? Did someone murder the guy who invented the movies? Former Planet Money hosts Jacob Goldstein and Robert Smith examine the surprising stories of businesses big and small and find out what you can learn from those who founded them.

Music, radio and podcasts, all free. Listen online or download the iHeart App.

Connect

© 2026 iHeartMedia, Inc.